102302101021 has 4 divisors (see below), whose sum is σ = 102546259200. Its totient is φ = 102057942844.

The previous prime is 102302101019. The next prime is 102302101049. The reversal of 102302101021 is 120101203201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102302101021 - 2¹ = 102302101019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102302100992 and 102302101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102302101921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122078461 + ... + 122079298.

It is an arithmetic number, because the mean of its divisors is an integer number (25636564800).

Almost surely, 2^102302101021 is an apocalyptic number.

It is an amenable number.

102302101021 is a deficient number, since it is larger than the sum of its proper divisors (244158179).

102302101021 is an equidigital number, since it uses as much as digits as its factorization.

102302101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244158178.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102302101021 its reverse (120101203201), we get a palindrome (222403304222).

The spelling of 102302101021 in words is "one hundred two billion, three hundred two million, one hundred one thousand, twenty-one".